#include <iostream>

using namespace std;

int main(){

	int a,b,c;
	cin >> a;
	b = 27 + 23 + a/3.0;
	c = a / 1.2;
	if (b > c){
		cout << "Walk";
	}
	else if (b == c){
		cout << "All";
	}
	else{
		cout << "Bike";
	}

    return 0;
}
